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This volume contains twenty contributions of work, conducted since 1996 in the French German Research Programme ''Numerical Flow Simulation" of the Centre National de la Recherche Scientifique (CNRS) and the Deutsche Forschungsgemeinschaft (DFG). The main purpose of this publication is to give an overview over the work conducted in this programme, and to make the results obtained available to the pUblic. The reports are grouped under the four headings "Development of Solution Techniques", "Crystal Growth and Melts", "Flows of Reacting Gases" and "Turbulent Flows". AIl contributions to this publica tion were reviewed by a board consisting of T. Alziary de Roquefort (Poitiers, France), P. Bontoux (Marseille, France), JA Desideri (Sophia-Antipolis, France), W. Kordulla (G6t tingen, Germany), R. Peyret (Nice, France), R. Rannacher (Heidelberg, Germany), G. War necke (Magdeburg, ,Germany), and the editor. The responsibility for the contents of the reports nevertheless lies with the authors. E. H. Hirschel Editor Preface The Colloquium on ''Numerical Simulation of Flows", Marseille, November 21 and 22, th 1997, was the 6 Joint CNRS-DFG Colloquium organized in the frame of the French German Research Collaboration on Computational Fluid Dynamics. This Collaborative Program was elaborated progressively since 1991, when the two major research groups were brought together: the Priority Program "Flow Simulation with Super Computers" from the DFG in Germany and the Groupement de Recherche de "Mecanique des Fluides NumCrique" (GDR MFN) from the CNRS in France.
Sommario
A Parallel Hybrid Highly Accurate Elliptic Solver for Viscous Flow Problems.- Adaptively Defined Cartesian Grid Generation and Euler Flow Solutions for Arbitrary Geometries.- Combined Finite Volume and Smoothed Particle Method.- The Appropriate Numbering for the Multigrid Solution of Convection Dominated Problems.- Development of Navier-Stokes Solvers on Hybrid Grids.- High Performance Computer Codes and Their Application to Optimize Crystal Growth Processes.- Multigrid Methods for Two Phase Flows.- Modeling of Free Surfaces in Casting Processes.- Turbulent Convection Driven by an Imposed Temperature Gradient in the Presence of a Constant Vertical Magnetic Field.- Numerical Simulation of Combustion in Partially Premixed Turbulent Flows.- Numerical Modeling of Gas Flows in the Transition Between Rarefied and Continuum Regimes.- Numerical Techniques for Mulit-Scale Weakly Compressible Reactive Flows.- Computation of Vortex-Shedding Flows Past a Square Cylinder Employing LES and RANS.- Numerical Simulation of Turbulent High Speed Flows (Supersonic Combustion & Atomization and Mixing).- Simulation of Spatially Developing Plane and Round Jets.- Large Eddy Simulation of Flow Around Circular Cylinders on Structured and Unstructured Grids.- Towards an Adaptive Wavelet-Based 3D Navier-Stokes Solver.- The Minimal Turbulent Flow Unit as a Test Case for Three Different Computer Codes.- Applications of a 4-th Order Hermitian Scheme for Non-Equidistant Grids to LES and DNS of Incompressible Fluid Flow.- Computation of Complex Turbulent Flows.
